2019 Buick Regal Wheel & Tire Sizes
Complete fitment guide for the 2019 Buick Regal: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x115 bolt pattern — for every trim.
Bolt Pattern
5x115
Centre Bore
70.3 mm
Lug nuts
M12 x 1.5
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2019 Buick Regal
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2019 Buick Regal Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2019 Buick Regal configuration.
2.0T · Sportback, 5d
2.0L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–20" |
| Wheel width | 7.5–9" |
| Wheel offset | 34–49 mm |
| Tire width | 225–245 mm |
2019 Buick Regal Fitment FAQ
What is the bolt pattern on a 2019 Buick Regal?
The 2019 Buick Regal uses a 5x115 bolt pattern (5 lug nuts on a 115 mm circle) with a 70.3 mm centre bore.
What size tires fit a 2019 Buick Regal?
Factory (OEM) tire sizes for the 2019 Buick Regal include 225/55R17, 235/45R18, 245/45R18, 245/40R19, 245/35R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2019 Buick Regal?
Depending on trim, the 2019 Buick Regal accepts wheels from 17" up to 20" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2019 Buick Regal use?
The 2019 Buick Regal uses M12 x 1.5 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.